www.shopon4u.com / Seller sent the empty box and no phone

My friend ordered phone from the company www.shopon4u.com. He waited a month for the order, and when he finally received the order, it turned out that the seller put only empty box from the phone. The seller excused and told that he would send the phone immediately, but the second month has passed and since this moment no sign of it. And the seller doesn’t reply.